Mathematics, 30.11.2019 01:31 meganwintergirl

An open box is to be made from a rectangular piece of cardboard which is 12 inches by 20 inches by cutting equal squares from the corners and turning up the sides. find the size of the square which gives the box of largest volume.

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An open box is to be made from a rectangular piece of cardboard which is 12 inches by 20 inches by c...